30929772 has 24 divisors (see below), whose sum is σ = 72443392. Its totient is φ = 10270800.

The previous prime is 30929753. The next prime is 30929803. The reversal of 30929772 is 27792903.

It is a self number, because there is not a number n which added to its sum of digits gives 30929772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1504 + ... + 8007.

Almost surely, 2^30929772 is an apocalyptic number.

It is an amenable number.

30929772 is an abundant number, since it is smaller than the sum of its proper divisors (41513620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30929772 is a wasteful number, since it uses less digits than its factorization.

30929772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9789 (or 9787 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 30929772 is about 5561.4541263954. The cubic root of 30929772 is about 313.9006677295.

The spelling of 30929772 in words is "thirty million, nine hundred twenty-nine thousand, seven hundred seventy-two".